CephalosporinsCephalosporin ResistanceCell NucleusAcremoniumCefotaximeCephalexinCephalosporinaseMicrobial Sensitivity TestsCeftriaxoneCephalothinCefmenoximeCephaloridineAnti-Bacterial AgentsCeftizoximebeta-LactamasesPenicillin AmidaseBacteriaCefazolinCefaclorCefiximeCefamandoleCeftazidimeEnterobacteriaceaeNucleus AccumbensPenicillinsCefuroximeBacterial InfectionsEnterobacterCefonicidPenicillin-Binding ProteinsThalamic NucleiGram-Negative BacteriaSolitary NucleusCephradineCefotiamGram-Positive BacteriaPenicillinaseDrug StabilityCochlear NucleusAcetylesteraseDrug Resistance, MicrobialMuramoylpentapeptide CarboxypeptidaseRaphe NucleiCerebellar NucleiPenicillin ResistanceSeptal NucleiActive Transport, Cell NucleusArcuate NucleusCaudate NucleusPenicillin GPeptidyl TransferasesHexosyltransferasesParaventricular Hypothalamic NucleusCefoperazoneCephapirinCefsulodinCefoxitinEnterobacteriaceae InfectionsAmpicillinSuprachiasmatic NucleusRed NucleusTrigeminal NucleiCefotetanCephamycinsSubthalamic NucleusSupraoptic NucleusStaphylococcus aureusEscherichia colibeta-LactamsFleroxacinChemistryAztreonamChemical PhenomenaPenicillanic AcidPseudomonas aeruginosaKlebsiella pneumoniaebeta-Lactam ResistanceKlebsiellaPseudomonasMice, Inbred ICRMolecular Sequence DataKineticsHydrolysisProteusCytoplasmKlebsiella InfectionsNeuronsDrug Resistance, BacterialCephacetrileMandelic AcidsCloxacillinAmidohydrolasesBacterial ProteinsNeisseria gonorrhoeaeClavulanic AcidsPhleomycinsStreptococcus pneumoniaeCefmetazoleAmino Acid SequencePaecilomyces